GNU gdb (Ubuntu/Linaro 7.3-0ubuntu2) 7.3-2011.08
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/bin/Xorg...Reading symbols from /usr/lib/debug/usr/bin/Xorg...done.
done.
(gdb) attach 2792
Attaching to program: /usr/bin/Xorg, process 2792
Reading symbols from /lib/x86_64-linux-gnu/libudev.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/x86_64-linux-gnu/libudev.so.0
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Reading symbols from /lib/x86_64-linux-gnu/libdl.so.2...(no debugging symbols found)...done.
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Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...(no debugging symbols found)...done.
[Thread debugging using libthread_db enabled]
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Reading symbols from /usr/lib/xorg/modules/extensions/libextmod.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libextmod.so...done.
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Loaded symbols for /usr/lib/xorg/modules/extensions/libextmod.so
Reading symbols from /usr/lib/xorg/modules/extensions/libdbe.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdbe.so...done.
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Loaded symbols for /usr/lib/xorg/modules/extensions/libdbe.so
Reading symbols from /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so
Reading symbols from /usr/lib/nvidia-current/tls/libnvidia-tls.so.285.05.09...(no debugging symbols found)...done.
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Reading symbols from /usr/lib/xorg/modules/extensions/librecord.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/librecord.so...done.
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Loaded symbols for /usr/lib/xorg/modules/extensions/librecord.so
Reading symbols from /usr/lib/xorg/modules/extensions/libdri.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/extensions/libdri.so...done.
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Loaded symbols for /usr/lib/xorg/modules/extensions/libdri.so
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Loaded symbols for /usr/lib/xorg/modules/extensions/libdri2.so
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Reading symbols from /usr/lib/xorg/modules/libfb.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/libfb.so...done.
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Loaded symbols for /usr/lib/xorg/modules/libfb.so
Reading symbols from /usr/lib/xorg/modules/libwfb.so...Reading symbols from /usr/lib/debug/usr/lib/xorg/modules/libwfb.so...done.
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Loaded symbols for /usr/lib/xorg/modules/libwfb.so
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Reading symbols from /usr/lib/xorg/modules/input/evdev_drv.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/xorg/modules/input/evdev_drv.so
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Loaded symbols for /usr/lib/x86_64-linux-gnu/libX11.so.6
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Loaded symbols for /usr/lib/x86_64-linux-gnu/libXi.so.6
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Reading symbols from /lib/x86_64-linux-gnu/libnsl.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/x86_64-linux-gnu/libnsl.so.1
Reading symbols from /lib/x86_64-linux-gnu/libnss_nis.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/x86_64-linux-gnu/libnss_nis.so.2
0x00007f12fa59a8f3 in select () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) continue
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x00007f12fb101c89 in FontFileListNextFontWithInfo ()
   from /usr/lib/libXfont.so.1
(gdb) backtrace full
#0  0x00007f12fb101c89 in FontFileListNextFontWithInfo ()
   from /usr/lib/libXfont.so.1
No symbol table info available.
#1  0x000000000043061d in doListFontsWithInfo (client=0x2ba9fd0, c=0x2bb33d0)
    at ../../dix/dixfonts.c:929
        fpe = 0x2bb3680
        err = 85
        name = 0x0
        namelen = 0
        numFonts = 0
        fontInfo = {firstCol = 0, lastCol = 0, firstRow = 0, lastRow = 0, 
          defaultCh = 288, noOverlap = 0, terminalFont = 0, 
          constantMetrics = 0, constantWidth = 0, inkInside = 0, 
          inkMetrics = 0, allExist = 0, drawDirection = 0, cachable = 0, 
          anamorphic = 0, maxOverlap = 0, pad = 0, maxbounds = {
            leftSideBearing = -11936, rightSideBearing = 678, 
            characterWidth = 0, ascent = 0, descent = -7707, attributes = 70}, 
          minbounds = {leftSideBearing = 0, rightSideBearing = 0, 
            characterWidth = 25344, ascent = 691, descent = 0, 
            attributes = 0}, ink_maxbounds = {leftSideBearing = 12213, 
            rightSideBearing = 70, characterWidth = 0, ascent = 0, 
            descent = -15440, attributes = 13646}, ink_minbounds = {
            leftSideBearing = 32767, rightSideBearing = 0, 
            characterWidth = 288, ascent = 0, descent = 32767, 
            attributes = 0}, fontAscent = 0, fontDescent = 0, nprops = 0, 
          props = 0x0, isStringProp = 0x0}
        pFontInfo = 0x7fff354ec350
        reply = <optimized out>
        length = <optimized out>
        pFP = <optimized out>
        i = <optimized out>
        aliascount = 0
        finalReply = {type = 0 '\000', nameLength = 0 '\000', 
          sequenceNumber = 0, length = 0, minBounds = {leftSideBearing = 0, 
            rightSideBearing = 0, characterWidth = 0, ascent = 0, descent = 0, 
            attributes = 0}, walign1 = 0, maxBounds = {leftSideBearing = 0, 
            rightSideBearing = 0, characterWidth = 0, ascent = 0, descent = 0, 
            attributes = 0}, walign2 = 0, minCharOrByte2 = 0, 
          maxCharOrByte2 = 0, defaultChar = 0, nFontProps = 0, 
          drawDirection = 0 '\000', minByte1 = 0 '\000', maxByte1 = 0 '\000', 
          allCharsExist = 0 '\000', fontAscent = 0, fontDescent = 0, 
          nReplies = 0}
#2  0x0000000000433d51 in ProcessWorkQueue () at ../../dix/dixutils.c:527
        q = 0x2bd7050
        p = 0x7f1798
#3  0x000000000045ded5 in WaitForSomething (pClientsReady=0x29ac3a0)
    at ../../os/WaitFor.c:173
        i = <optimized out>
        waittime = {tv_sec = 0, tv_usec = 0}
        wt = 0x7fff354ec690
        timeout = <optimized out>
        clientsReadable = {fds_bits = {0 <repeats 16 times>}}
        clientsWritable = {fds_bits = {45785040, 45785040, 4392112, 45822928, 
            45822968, 4406941, 40611344, 45822928, 40611344, 45785040, 
            45822968, 4393874, 0, 8318864, 140734087742912, 4407908}}
        selecterr = <optimized out>
        nready = 0
        devicesReadable = {fds_bits = {0 <repeats 16 times>}}
        now = <optimized out>
        someReady = 0
#4  0x000000000042f912 in Dispatch () at ../../dix/dispatch.c:367
        clientReady = 0x29ac3a0
        result = <optimized out>
        client = <optimized out>
        nready = <optimized out>
        icheck = 0x7f1470
        start_tick = <optimized out>
#5  0x00000000004232fe in main (argc=8, argv=<optimized out>, 
    envp=<optimized out>) at ../../dix/main.c:287
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
(gdb) quit
A debugging session is active.

	Inferior 1 [process 2792] will be detached.

Quit anyway? (y or n) Detaching from program: /usr/bin/Xorg, process 2792